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Articles 14641 - 14670 of 24194
Full-Text Articles in Entire DC Network
Assessment Of The Gut Bacterial Microbiome And Metabolome Of Girls And Women With Rett Syndrome, Santosh Thapa, Alamelu Venkatachalam, Nabeel Khan, Mohammed Naqvi, Miriam Balderas, Jessica K Runge, Anthony Haag, Kathleen M Hoch, Daniel G Glaze, Ruth Ann Luna, Kathleen J Motil
Assessment Of The Gut Bacterial Microbiome And Metabolome Of Girls And Women With Rett Syndrome, Santosh Thapa, Alamelu Venkatachalam, Nabeel Khan, Mohammed Naqvi, Miriam Balderas, Jessica K Runge, Anthony Haag, Kathleen M Hoch, Daniel G Glaze, Ruth Ann Luna, Kathleen J Motil
Children’s Nutrition Research Center Staff Publications
Background: Gastrointestinal problems affect the health and quality of life of individuals with Rett syndrome (RTT) and pose a medical hardship for their caregivers. We hypothesized that the variability in the RTT phenotype contributes to the dysbiosis of the gut microbiome and metabolome in RTT, predisposing these individuals to gastrointestinal dysfunction.
Objectives: We characterized the gut bacterial microbiome and metabolome in girls and young women with RTT (n = 44) and unaffected controls (n = 21), and examined the relation between the composition of the microbiome and variations in the RTT phenotype.
Methods: Demographics and clinical information, including growth and …
Human Retinal Organoids Release Extracellular Vesicles That Regulate Gene Expression In Target Human Retinal Progenitor Cells, Jing Zhou, Miguel Flores‑Bellver, Jianbo Pan, Alberto Benito‑Martin, Cui Shi, Onyekwere Onwumere, Jason Mighty, Jiang Qian, Xiufeng Zhong, Tasmim Hogue, Baffour Amponsah‑Antwi, Linda Einbond, Rajendra Gharbaran, Hao Wu, Bo‑Juen Chen, Zhiliang Zheng, Tatyana Tchaikovskaya, Xusheng Zhang, Hector Peinado, Maria Valeria Canto‑Soler, Stephen Redenti
Human Retinal Organoids Release Extracellular Vesicles That Regulate Gene Expression In Target Human Retinal Progenitor Cells, Jing Zhou, Miguel Flores‑Bellver, Jianbo Pan, Alberto Benito‑Martin, Cui Shi, Onyekwere Onwumere, Jason Mighty, Jiang Qian, Xiufeng Zhong, Tasmim Hogue, Baffour Amponsah‑Antwi, Linda Einbond, Rajendra Gharbaran, Hao Wu, Bo‑Juen Chen, Zhiliang Zheng, Tatyana Tchaikovskaya, Xusheng Zhang, Hector Peinado, Maria Valeria Canto‑Soler, Stephen Redenti
Publications and Research
The mechanisms underlying retinal development have not been completely elucidated. Extracellular vesicles (EVs) are novel essential mediators of cell‑to‑cell communication with emerging roles in developmental processes. Nevertheless, the identification of EVs in human retinal tissue, characterization of their cargo, and analysis of their potential role in retina development has not been accomplished. Three‑dimensional retinal tissue derived from human induced pluripotent stem cells (hiPSC) provide an ideal developmental system to achieve this goal. Here we report that hiPSC‑derived retinal organoids release exosomes and microvesicles with small noncoding RNA cargo. EV miRNA cargo‑predicted targetome correlates with Gene Ontology (GO) pathways involved in …
Goblet Cell Carcinoma Of The Appendix: A Case Report On Goblet Cell Carcinoid, Sheliza Kabani, Aubtin Saedi, Austin Lehr, Lina O'Brien
Goblet Cell Carcinoma Of The Appendix: A Case Report On Goblet Cell Carcinoid, Sheliza Kabani, Aubtin Saedi, Austin Lehr, Lina O'Brien
HCA Healthcare Journal of Medicine
Goblet cell carcinoid of the appendix is a rare neoplasm with histological features of both neuroendocrine and adenocarcinomas. The combination of its aggressive behavior, infrequent occurrence, and variable clinical presentation convolutes the management of this tumor. We report the case of a 75-year-old female presenting with acute appendicitis. A laparoscopic appendectomy was performed. The pathology report showed goblet cell carcinoid at the base of the appendix with involvement of the proximal surgical margins. At her postoperative visit, the patient’s pathology report and options for management were reviewed, and the patient agreed to proceed with a right hemicolectomy 8-10 weeks after …
Tumor Necrosis Factor Alpha Snp Variant In Promoter Region G308a, Cause Preeclampsia During Pregnancy In Pakistani Women, A Case Control Study, Azizah Ziauddin, Sadia Ahmad, Asad Iqbal, Abdul Majid Khan, Shahid Mahmood Baig
Tumor Necrosis Factor Alpha Snp Variant In Promoter Region G308a, Cause Preeclampsia During Pregnancy In Pakistani Women, A Case Control Study, Azizah Ziauddin, Sadia Ahmad, Asad Iqbal, Abdul Majid Khan, Shahid Mahmood Baig
Journal of Bioresource Management
Preeclampsia (PE) is a very common critical condition during pregnancy. As PE is a high-risk condition during pregnancy, occurring in 25% of all pregnancies, worldwide. In women with PE there is an increase in hypertension and albuminuria. Elevated blood pressure can be life-threatening after 20th week of pregnancy. Single nucleotide variation in gene sequence can be disease causing, among these pathogenic SNPs, a variant in TNF-α, G308A is analyzed in many studies as a causative variant to cause preeclampsia. In this case control study fifty patients and fifty healthy individuals were enrolled for analysis of TNF-α promoter region …
Specimens, Sara Kapadia
Specimens, Sara Kapadia
The Transdisciplinary STEAM+ Journal
A short rumination on specimens
Red Panda: A Novel Method For Detecting Variants In Single-Cell Rna Sequencing, Adam Cornish, Shrabasti Roychoudhury, Krishna Sarma, Suravi Pramanik, Kishor Bhakat, A T. Dudley, Nitish K. Mishra, Chittibabu Guda
Red Panda: A Novel Method For Detecting Variants In Single-Cell Rna Sequencing, Adam Cornish, Shrabasti Roychoudhury, Krishna Sarma, Suravi Pramanik, Kishor Bhakat, A T. Dudley, Nitish K. Mishra, Chittibabu Guda
Journal Articles: Genetics, Cell Biology & Anatomy
BACKGROUND: Single-cell sequencing enables us to better understand genetic diseases, such as cancer or autoimmune disorders, which are often affected by changes in rare cells. Currently, no existing software is aimed at identifying single nucleotide variations or micro (1-50 bp) insertions and deletions in single-cell RNA sequencing (scRNA-seq) data. Generating high-quality variant data is vital to the study of the aforementioned diseases, among others.
RESULTS: In this study, we report the design and implementation of Red Panda, a novel method to accurately identify variants in scRNA-seq data. Variants were called on scRNA-seq data from human articular chondrocytes, mouse embryonic fibroblasts …
Modulation Of Aub-Tdrd Interactions Elucidates Pirna Amplification And Germplasm Formation., Nicholas Vrettos, Manolis Maragkakis, Panagiotis Alexiou, Paraskevi Sgourdou, Fadia Ibrahim, Daniel Palmieri, Yohei Kirino, Phd, Zissimos Mourelatos
Modulation Of Aub-Tdrd Interactions Elucidates Pirna Amplification And Germplasm Formation., Nicholas Vrettos, Manolis Maragkakis, Panagiotis Alexiou, Paraskevi Sgourdou, Fadia Ibrahim, Daniel Palmieri, Yohei Kirino, Phd, Zissimos Mourelatos
Computational Medicine Center Faculty Papers
Aub guided by piRNAs ensures genome integrity by cleaving retrotransposons, and genome propagation by trapping mRNAs to form the germplasm that instructs germ cell formation. Arginines at the N-terminus of Aub (Aub-NTRs) interact with Tudor and other Tudor domain-containing proteins (TDRDs). Aub-TDRD interactions suppress active retrotransposons via piRNA amplification and form germplasm via generation of Aub-Tudor ribonucleoproteins. Here, we show that Aub-NTRs are dispensable for primary piRNA biogenesis but essential for piRNA amplification and that their symmetric dimethylation is required for germplasm formation and germ cell specification but largely redundant for piRNA amplification.
The Possible Protective Role Of Vitamin E On The Induced Silver Nanoparticles Toxicity On Filiform And Circumvallate Tongue Papillae Of Albino Rats Histological And Immunohistochemical Study, Nada Tarek Zaki, Mahmoud Al Ankily, Reham Magdy Amin, Ahmed Mahmoud Halawa
The Possible Protective Role Of Vitamin E On The Induced Silver Nanoparticles Toxicity On Filiform And Circumvallate Tongue Papillae Of Albino Rats Histological And Immunohistochemical Study, Nada Tarek Zaki, Mahmoud Al Ankily, Reham Magdy Amin, Ahmed Mahmoud Halawa
Dentistry
Recently Silver nanoparticles (AgNPs) are widely used as in manufacturing of filters to purify drinking water, as a part of surgical prosthesis, splints, dental alloys and most importantly in the medical field as a bactericidal, fungicidal and as a therapeutic agent. Although these widely usage of AgNPs, can induce toxicity. to evaluate the protective role of vitamin Eon the induced silver nanoparticles toxicity on filiform and circumvallate tongue papillae of albino rats. twenty-eight male albino rats weighing 200-250 grams were divided into; the control and the experimental groups, which is subdivided into, subgroup I receiving AgNPs and subgroup II receiving …
A Conformation Variant Of P53 Combined With Machine Learning Identifies Alzheimer Disease In Preclinical And Prodromal Stages, Giulia Abate, Marika Vezzoli, Letizia Polito, Antonio Guaita, Diego Albani, Moira Marizzoni, Emirena Garrafa, Alessandra Marengoni, Gianluigi Forloni, Giovanni B. Frisoni, Jeffrey L. Cummings, Maurizio Memo, Daniela Uberti
A Conformation Variant Of P53 Combined With Machine Learning Identifies Alzheimer Disease In Preclinical And Prodromal Stages, Giulia Abate, Marika Vezzoli, Letizia Polito, Antonio Guaita, Diego Albani, Moira Marizzoni, Emirena Garrafa, Alessandra Marengoni, Gianluigi Forloni, Giovanni B. Frisoni, Jeffrey L. Cummings, Maurizio Memo, Daniela Uberti
School of Medicine Faculty Research
© 2020 by the authors. Li-censee MDPI, Basel, Switzerland. Early diagnosis of Alzheimer’s disease (AD) is a crucial starting point in disease man-agement. Blood-based biomarkers could represent a considerable advantage in providing AD-risk information in primary care settings. Here, we report new data for a relatively unknown blood-based biomarker that holds promise for AD diagnosis. We evaluate a p53-misfolding conformation rec-ognized by the antibody 2D3A8, also named Unfolded p53 (U-p532D3A8+), in 375 plasma samples derived from InveCe.Ab and PharmaCog/E-ADNI longitudinal studies. A machine learning approach is used to combine U-p532D3A8+ plasma levels with Mini-Mental State Examination (MMSE) and apolipoprotein E …
Week Of December 21, 2020, New York Medical College
Week Of December 21, 2020, New York Medical College
InTouch
- 27th Annual Faculty Author Recognition Celebrates Faculty Scholarly Works
- NYMC Shares the Latest on the COVID-19 Vaccine
- Department of Surgery Hosts 17th Annual Louis R.M. DelGuercio Research Day
- Colin Ahyoung Is Named Director of Restricted Funds and Grants Management
- Skyline Elevator Update
Bilirubin Nanoparticles Reduce Diet-Induced Hepatic Steatosis, Improve Fat Utilization, And Increase Plasma Β-Hydroxybutyrate, Terry D. Hinds Jr., Justin F. Creeden, Darren M. Gordon, Donald F. Stec, Matthew C. Donald, David E. Stec
Bilirubin Nanoparticles Reduce Diet-Induced Hepatic Steatosis, Improve Fat Utilization, And Increase Plasma Β-Hydroxybutyrate, Terry D. Hinds Jr., Justin F. Creeden, Darren M. Gordon, Donald F. Stec, Matthew C. Donald, David E. Stec
Pharmacology and Nutritional Sciences Faculty Publications
The inverse relationship of plasma bilirubin levels with liver fat accumulation has prompted the possibility of bilirubin as a therapeutic for non-alcoholic fatty liver disease. Here, we used diet-induced obese mice with non-alcoholic fatty liver disease treated with pegylated bilirubin (bilirubin nanoparticles) or vehicle control to determine the impact on hepatic lipid accumulation. The bilirubin nanoparticles significantly reduced hepatic fat, triglyceride accumulation, de novo lipogenesis, and serum levels of liver dysfunction marker aspartate transaminase and ApoB100 containing very-low-density lipoprotein. The bilirubin nanoparticles improved liver function and activated the hepatic β-oxidation pathway by increasing PPARα and acyl-coenzyme A oxidase 1. …
Deep Brain Stimulation Of The Subcallosal Cingulate Gyrus In The Treatment Of Treatment Resistant Depression, Megan Caravas, Melanie Sov
Deep Brain Stimulation Of The Subcallosal Cingulate Gyrus In The Treatment Of Treatment Resistant Depression, Megan Caravas, Melanie Sov
Physician Assistant Capstones, 2020-current
Objective: a systematic review to determine the efficacy of deep brain stimulation (DBS) targeting the subcallosal cingulate gyrus (SCG) for the treatment of treatment resistant depression (TRD). Methods: PubMed database was utilized in a search for clinical randomized control trials that were completed after the year 2000, using the terms deep brain stimulation, treatment resistant depression, and subcallosal cingulate gyrus. Results: Three clinical trials were chosen based on specific inclusion criteria as noted in the PRISMA flow chart (Chart 1). The results of the three articles showed various discrepancies. Two of the three studies demonstrated some statistical significance in reduction …
Efficacy Of Pulmonary Ultrasound Compared To N-Terminal Prohormone Brain Natriuretic Peptide As A Diagnostic Tool For Congestive Heart Failure In Patients Presenting With Acute Dyspnea In The Emergency Setting, Leah Krohn, Michael Burns
Efficacy Of Pulmonary Ultrasound Compared To N-Terminal Prohormone Brain Natriuretic Peptide As A Diagnostic Tool For Congestive Heart Failure In Patients Presenting With Acute Dyspnea In The Emergency Setting, Leah Krohn, Michael Burns
Physician Assistant Capstones, 2020-current
Objective: To determine the efficacy of using pulmonary ultrasound as a diagnostic tool in acute dyspnea of undetermined cause compared to the use of serum N-Terminal prohormone Brain Natriuretic Peptide (NT-proBNP) in the diagnosis of heart failure.
Design: Systematic literature review
Methods: Searches were conducted in PubMed and Scopus using the terms pulmonary ultrasound and congestive heart failure and studies within the last 10 years. Studies that used pulmonary ultrasound compared to BNP as a marker for the diagnosis of heart failure were included.
Results: All three studies found that the use of pulmonary ultrasound was a more specific …
Beyond The Eye: The Neural Signature Of Cerebral Visual Processing In Children With Cerebral Palsy, Jacy R. Hannan
Beyond The Eye: The Neural Signature Of Cerebral Visual Processing In Children With Cerebral Palsy, Jacy R. Hannan
Theses & Dissertations
Cerebral palsy (CP) is a permanent, non-progressive neuromuscular disorder diagnosed early in childhood. Frequently the lesion that causes the motor impairments in individuals with CP concurrently disrupts the visual networks, placing them at a high risk of cerebral visual dysfunctions. Cerebral visual impairment (CVI) often remains unrecognized or misdiagnosed in people with CP. Despite the crucial role of visual function in the development of movement and cognition, the neurophysiological basis of the cerebral visual dysfunctions is almost entirely unknown. This investigation aimed to examine the neurophysiological mechanisms underlying cerebral visual dysfunction in children with CP. Specifically, this research used magnetoencephalographic …
Correction: Moxley, R.A., Et Al. Intimate Attachment Of Escherichia Coli O157:H7 To Urinary Bladder Epithelium In The Gnotobiotic Piglet Model. Microorganisms 2020, 8, 263, Rodney A. Moxley, Tom W. Bargar, Stephen D. Kachman, Diane R. Baker, David Francis
Correction: Moxley, R.A., Et Al. Intimate Attachment Of Escherichia Coli O157:H7 To Urinary Bladder Epithelium In The Gnotobiotic Piglet Model. Microorganisms 2020, 8, 263, Rodney A. Moxley, Tom W. Bargar, Stephen D. Kachman, Diane R. Baker, David Francis
School of Veterinary and Biomedical Sciences: Faculty Publications
The authors wish to make the following corrections to this paper [1]: On page 2, the sentence that reads, “Hence, EHEC is a rare but established cause of HUS in children and adults.” should read, “Hence, EHEC is a rare but established cause of UTI-associated HUS in children and adults.” On page 4, the sentence that reads, “As noted previously, 14 of 126 (13.3%) piglets orally inoculated with EHEC O157:H7 strains developed mild to moderate purulent cystitis within 8 d PI [25] (Table 1).” should read, “As noted previously, 14 of 105 (13.3%) piglets orally inoculated with EHEC O157:H7 strains …
Large-Scale Characterization Of Drug Responses Of Clinically Relevant Proteins In Cancer Cell Lines, Wei Zhao, Jun Li, Mei-Ju M Chen, Yikai Luo, Zhenlin Ju, Nicole K Nesser, Katie Johnson-Camacho, Christopher T Boniface, Yancey Lawrence, Nupur T Pande, Michael A Davies, Meenhard Herlyn, Taru Muranen, Ioannis K Zervantonakis, Erika Von Euw, Andre Schultz, Shwetha V Kumar, Anil Korkut, Paul T Spellman, Rehan Akbani, Dennis J Slamon, Joe W Gray, Joan S Brugge, Yiling Lu, Gordon B Mills, Han Liang
Large-Scale Characterization Of Drug Responses Of Clinically Relevant Proteins In Cancer Cell Lines, Wei Zhao, Jun Li, Mei-Ju M Chen, Yikai Luo, Zhenlin Ju, Nicole K Nesser, Katie Johnson-Camacho, Christopher T Boniface, Yancey Lawrence, Nupur T Pande, Michael A Davies, Meenhard Herlyn, Taru Muranen, Ioannis K Zervantonakis, Erika Von Euw, Andre Schultz, Shwetha V Kumar, Anil Korkut, Paul T Spellman, Rehan Akbani, Dennis J Slamon, Joe W Gray, Joan S Brugge, Yiling Lu, Gordon B Mills, Han Liang
Faculty, Staff and Students Publications
Perturbation biology is a powerful approach to modeling quantitative cellular behaviors and understanding detailed disease mechanisms. However, large-scale protein response resources of cancer cell lines to perturbations are not available, resulting in a critical knowledge gap. Here we generated and compiled perturbed expression profiles of ∼210 clinically relevant proteins in >12,000 cancer cell line samples in response to ∼170 drug compounds using reverse-phase protein arrays. We show that integrating perturbed protein response signals provides mechanistic insights into drug resistance, increases the predictive power for drug sensitivity, and helps identify effective drug combinations. We build a systematic map of "protein-drug" connectivity …
Week Of December 14, 2020, New York Medical College
Week Of December 14, 2020, New York Medical College
InTouch
- Leader in Academic Medicine, Catherine D. DeAngelis, M.D., M.P.H., Is Tapped to Address the Class of 2021
- NYMC Unveils Pandemic Perspectives
- D.P.T. Class of 2022 Community Service Projects Adapt to the Virtual World
- 17th Annual Louis R.M. DelGuercio Research Day to Take Place Virtually on December 16
- HSL Annual Faculty Author Awards Set for December 17
Adult Hippocampal Neurogenesis As A Potential Therapeutic Target In Fetal Alcohol Spectrum Disorders, Kymberly Cheyanne Gustus
Adult Hippocampal Neurogenesis As A Potential Therapeutic Target In Fetal Alcohol Spectrum Disorders, Kymberly Cheyanne Gustus
Biomedical Sciences ETDs
This dissertation aims to determine if adult hippocampal neurogenesis is a potential therapeutic target in Fetal Alcohol Spectrum Disorders (FASDs). Adult hippocampal neurogenesis plays important and unique roles in certain aspects of learning, memory, and mood (Anacker & Hen, 2017). Individuals with FASDs often demonstrate dysregulation in these arenas (Lewis et al., 2015; Temple, Cook, Unsworth, Rajani, & Mela, 2019). Previous work in our lab using a mouse model of prenatal alcohol exposure demonstrated impairment in enrichment-mediated adult hippocampal neurogenesis (Irene Y. Choi, Andrea M. Allan, & Lee Anna Cunningham, 2005; K. Kajimoto, A. Allan, & L. A. Cunningham, 2013). …
Role Of The Acid Sensing Ion Channel 1a In The Systemic Circulation, Selina M. Garcia
Role Of The Acid Sensing Ion Channel 1a In The Systemic Circulation, Selina M. Garcia
Biomedical Sciences ETDs
Acid-sensing ion channel 1a (ASIC1a) is a non-selective cation channel that is expressed in vascular smooth muscle cells. However, little is known about the contribution of ASIC1a to vascular reactivity and cardiovascular homeostasis. We have previously shown that ASIC1a contributes to pulmonary vascular smooth muscle cell (VSMC) Ca2+ entry and vasoconstriction as well as chronic hypoxia-induced pulmonary hypertension. However, a role of ASIC1a in the systemic circulation is unclear. Previous reports have shown that ASIC1a is expressed in femoral and cerebral arteries, however, these studies suggest that ASIC1a contributes to vascular reactivity through neuronal regulation rather than vascular. Therefore, …
The Role Of Anti-Inflammatory Cytokine Interleukin-10 (Il-10) In Tauopathies, Lea L. Weston
The Role Of Anti-Inflammatory Cytokine Interleukin-10 (Il-10) In Tauopathies, Lea L. Weston
Biomedical Sciences ETDs
Tauopathies are neurodegenerative diseases, including Alzheimer’s disease, that are associated with pathological accumulation of the microtubule associated protein tau (MAPT, or tau) (Lee et al., 2001). Abnormal hyperphosphorylated tau (pTau) strongly correlate with cognitive impairment (Nelson et al., 2012). Neuroinflammation is also associated with tauopathies (Gerhard et al., 2006b; Edison et al., 2008) and is implicated in driving tau pathology (Yoshiyama et al., 2007, Maphis et al., 2015b). Therefore, it is compelling to understand the role of anti-inflammatory cytokines in limiting neuroinflammation and tau pathology. Interleukin-10 (IL-10) is a well-established anti-inflammatory cytokine with roles in limiting inflammation in the central …
Trypanosoma Cruzi Modulates Piwi-Interacting Rna Expression In Primary Human Cardiac Myocytes During The Early Phase Of Infection, Kayla J. Rayford, Ayorinde Cooley, Ashutosh Arun, Girish Rachakonda, Yulia Kleschenko, Fernando Villalta, Siddharth Pratap, Maria F. Lima, Pius N. Nde
Trypanosoma Cruzi Modulates Piwi-Interacting Rna Expression In Primary Human Cardiac Myocytes During The Early Phase Of Infection, Kayla J. Rayford, Ayorinde Cooley, Ashutosh Arun, Girish Rachakonda, Yulia Kleschenko, Fernando Villalta, Siddharth Pratap, Maria F. Lima, Pius N. Nde
Publications and Research
Trypanosoma cruzi dysregulates the gene expression profile of primary human cardiomyocytes (PHCM) during the early phase of infection through a mechanism which remains to be elucidated. The role that small non-coding RNAs (sncRNA) including PIWI-interacting RNA (piRNA) play in regulating gene expression during the early phase of infection is unknown. To understand how T. cruzi dysregulate gene expression in the heart, we challenged PHCM with T. cruzi trypomastigotes and analyzed sncRNA, especially piRNA, by RNA-sequencing. The parasite induced significant differential expression of host piRNAs, which can target and regulate the genes which are important during the early infection phase. An …
Pathway‐Extended Gene Expression Signatures Integrate Novel Biomarkers That Improve Predictions Of Patient Responses To Kinase Inhibitors, Ashis Bagchee‐Clark, Eliseos J. Mucaki, Tyson Whitehead, Peter Rogan
Pathway‐Extended Gene Expression Signatures Integrate Novel Biomarkers That Improve Predictions Of Patient Responses To Kinase Inhibitors, Ashis Bagchee‐Clark, Eliseos J. Mucaki, Tyson Whitehead, Peter Rogan
Biochemistry Publications
Cancer chemotherapy responses have been related to multiple pharmacogenetic biomarkers, often for the same drug. This study utilizes machine learning to derive multi‐gene expression signatures that predict individual patient responses to specific tyrosine kinase inhibitors, including erlotinib, gefitinib, sorafenib, sunitinib, lapatinib and imatinib. Support vector machine (SVM) learning was used to train mathematical models that distinguished sensitivity from resistance to these drugs using a novel systems biology‐based approach. This began with expression of genes previously implicated in specific drug responses, then expanded to evaluate genes whose products were related through biochemical pathways and interactions. Optimal pathway‐extended SVMs predicted responses in …
The Poststroke Peripheral Immune Response Is Differentially Regulated By Leukemia Inhibitory Factor In Aged Male And Female Rodents, Stephanie M. Davis, Lisa A. Collier, Sarah J. Messmer, Keith R. Pennypacker
The Poststroke Peripheral Immune Response Is Differentially Regulated By Leukemia Inhibitory Factor In Aged Male And Female Rodents, Stephanie M. Davis, Lisa A. Collier, Sarah J. Messmer, Keith R. Pennypacker
Neurology Faculty Publications
Background. The goal of this study was to determine whether leukemia inhibitory factor (LIF) promotes anti-inflammatory activity after stroke in a sex-dependent manner. Methods. Aged (18-month-old) Sprague-Dawley rats of both sexes underwent sham surgery or permanent middle cerebral artery occlusion (MCAO). Animals received three doses of intravenous LIF (125 μg/kg) or PBS at 6, 24, and 48 h before euthanization at 72 h. Spleen weights were measured immediately following euthanization. Western blot was used to measure protein levels of CCL8, CD11b, CXCL9, CXCL10, IL-12 p40, IL-3, and the LIF receptor (LIFR) in spleen tissue. ELISA was used …
Purification And Use Of Trna For Enzymatic Post-Translational Addition Of Amino Acids To Proteins., Irem Avcilar-Kucukgoze, Howard Gamper, Ya-Ming Hou, Anna Kashina
Purification And Use Of Trna For Enzymatic Post-Translational Addition Of Amino Acids To Proteins., Irem Avcilar-Kucukgoze, Howard Gamper, Ya-Ming Hou, Anna Kashina
Department of Biochemistry and Molecular Biology Faculty Papers
Post-translational addition of amino acids to proteins by enzymes using aminoacyl-tRNA is an emerging regulatory mechanism. Examples include Arg transfer in eukaryotes, Leu/Phe transfer in bacteria, and tRNA-synthetase-mediated addition of amino acids to Lys side chains. Here, we present a method of purification and use of tRNA for such reactions, focusing on tRNAArg and its use for arginylation. This method can also be used for other tRNA-mediated reactions. For complete details on the use and execution of this protocol, please refer to Avcilar-Kucukgoze et al. (2020).
Oral Gavage Delivery Of Stable Isotope Tracer For In Vivo Metabolomics, Holden C. Williams, Margaret A. Piron, Grant K. Nation, Adeline E. Walsh, Lyndsay E. A. Young, Ramon C. Sun, Lance A. Johnson
Oral Gavage Delivery Of Stable Isotope Tracer For In Vivo Metabolomics, Holden C. Williams, Margaret A. Piron, Grant K. Nation, Adeline E. Walsh, Lyndsay E. A. Young, Ramon C. Sun, Lance A. Johnson
Sanders-Brown Center on Aging Faculty Publications
Stable isotope-resolved metabolomics (SIRM) is a powerful tool for understanding disease. Advances in SIRM techniques have improved isotopic delivery and expanded the workflow from exclusively in vitro applications to in vivo methodologies to study systemic metabolism. Here, we report a simple, minimally-invasive and cost-effective method of tracer delivery to study SIRM in vivo in laboratory mice. Following a brief fasting period, we orally administered a solution of [U-13C] glucose through a blunt gavage needle without anesthesia, at a physiological dose commonly used for glucose tolerance tests (2 g/kg bodyweight). We defined isotopic enrichment in plasma and tissue at …
A Steroid Receptor Coactivator Stimulator (Mcb-613) Attenuates Adverse Remodeling After Myocardial Infarction, Lisa K Mullany, Aarti D Rohira, John P Leach, Jong H Kim, Tanner O Monroe, Andrea R Ortiz, Brittany Stork, M Waleed Gaber, Poonam Sarkar, Andrew G Sikora, Todd K Rosengart, Brian York, Yongcheng Song, Clifford C Dacso, David M Lonard, James F Martin, Bert W O'Malley
A Steroid Receptor Coactivator Stimulator (Mcb-613) Attenuates Adverse Remodeling After Myocardial Infarction, Lisa K Mullany, Aarti D Rohira, John P Leach, Jong H Kim, Tanner O Monroe, Andrea R Ortiz, Brittany Stork, M Waleed Gaber, Poonam Sarkar, Andrew G Sikora, Todd K Rosengart, Brian York, Yongcheng Song, Clifford C Dacso, David M Lonard, James F Martin, Bert W O'Malley
Faculty, Staff and Students Publications
Progressive remodeling of the heart, resulting in cardiomyocyte (CM) loss and increased inflammation, fibrosis, and a progressive decrease in cardiac function, are hallmarks of myocardial infarction (MI)-induced heart failure. We show that MCB-613, a potent small molecule stimulator of steroid receptor coactivators (SRCs) attenuates pathological remodeling post-MI. MCB-613 decreases infarct size, apoptosis, hypertrophy, and fibrosis while maintaining significant cardiac function. MCB-613, when given within hours post MI, induces lasting protection from adverse remodeling concomitant with: 1) inhibition of macrophage inflammatory signaling and interleukin 1 (IL-1) signaling, which attenuates the acute inflammatory response, 2) attenuation of fibroblast differentiation, and 3) promotion …
Pandemic Vibrio Cholerae Shuts Down Site-Specific Recombination To Retain An Interbacterial Defence Mechanism, Francis J. Santoriello, Lina Michel, Daniel Unterweger, Stefan Pukatzki
Pandemic Vibrio Cholerae Shuts Down Site-Specific Recombination To Retain An Interbacterial Defence Mechanism, Francis J. Santoriello, Lina Michel, Daniel Unterweger, Stefan Pukatzki
Publications and Research
Vibrio cholerae is an aquatic microbe that can be divided into three subtypes: harmless environmental strains, localised pathogenic strains, and pandemic strains causing global cholera outbreaks. Each type has a contact-dependent type VI secretion system (T6SS) that kills neighbouring competitors by translocating unique toxic effector proteins. Pandemic isolates possess identical effectors, indicating that T6SS effectors may affect pandemicity. Here, we show that one of the T6SS gene clusters (Aux3) exists in two states: a mobile, prophage-like element in a small subset of environmental strains, and a truncated Aux3 unique to and conserved in pandemic isolates. Environmental Aux3 can be readily …
Impact Of Endangered Animal Protection Rights, Policies, And Practices On Zoonotic Disease Spread, Daniella Fedak-Lengel
Impact Of Endangered Animal Protection Rights, Policies, And Practices On Zoonotic Disease Spread, Daniella Fedak-Lengel
Honors Projects
Building on field research in Costa Rica and Belize, this honors project analyzes environmental and endangered animal protection policies, rights, and practices in Central America and the Caribbean, and assesses the impact of veterinary science and biological research and practice, particularly conservation biology, on animal welfare concerns. Informed by the recent surge in awareness regarding zoonoses and zoonotic disease transmission, prevention and control, resulting from the current global pandemic of SARS-CoV-2, the project assesses the need for new and innovative types of collaboration, particularly involving conservation biologists, environmental scientists, public health experts, law and policy makers, and global trade and …
The Acute Effects Of 5 Fluorouracil On Skeletal Muscle Resident And Infiltrating Immune Cells In Mice, Brandon N. Vanderveen, Alexander T. Sougiannis, Kandy T. Velazquez, James A. Carson, Daping Fan, E. Angela Murphy
The Acute Effects Of 5 Fluorouracil On Skeletal Muscle Resident And Infiltrating Immune Cells In Mice, Brandon N. Vanderveen, Alexander T. Sougiannis, Kandy T. Velazquez, James A. Carson, Daping Fan, E. Angela Murphy
Faculty Publications
5 fluorouracil (5FU) has been a first-choice chemotherapy drug for several cancer types (e.g., colon, breast, head, and neck); however, its efficacy is diminished by patient acquired resistance and pervasive side effects. Leukopenia is a hallmark of 5FU; however, the impact of 5FU-induced leukopenia on healthy tissue is only becoming unearthed. Recently, skeletal muscle has been shown to be impacted by 5FU in clinical and preclinical settings and weakness and fatigue remain among the most consistent complaints in cancer patients undergoing chemotherapy. Monocytes, or more specifically macrophages, are the predominate immune cell in skeletal muscle which regulate turnover and homeostasis …
Week Of December 7, 2020, New York Medical College
Week Of December 7, 2020, New York Medical College
InTouch
- Mill Etienne, M.D. '02, M.P.H., FAAN, FAES, Appointed Vice Chancellor for Diversity and Inclusion
- School of Medicine Class of 2024 Marks Start of Journey as Medical Professionals During White Coat Ceremony
- School of Medicine Class of 2024 Finds Developing White Coat Ceremony Oath as a Class Particularly Meaningful
- NYMC Receives New Holographic Patent Combined With 5G Wi-Fi
- GivingTuesday Supports Clinical Skills and Simulation Center
- NYMC and Touro Host Eighth Symposium on COVID-19
- SHSP Hosts 2020 Virtual Career Mentor Session
- NYMC Gives Thanks On Campus